Malicious code in uploader-frontend (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (434cb8e84402c02f52788e51215db45b8c7f2f229d56c51d8302993b782cf911) The package's `scripts.install` runs `node index.js`, which loads `./lib/core` and, on `npm install`, collects the installer's OS username (via `os.userInfo().username`), hostname (`os.hostname()`), and current working directory basename, encodes them as a subdomain, and issues a `dns.resolve4` lookup against the hardcoded attacker domain `oob.sl4x0.xyz` — a DNS out-of-band beacon that exfiltrates installer identity. The `require` targets (`dns`, `os`, `process`), the API names (`userInfo`, `username`, `hostname`, `cwd`, `resolve4`), and the destination domain are reconstructed at runtime from `String.fromCharCode` numeric arrays to hide the destination and the APIs used. Package name and README advertise `uploader-frontend` / enterprise utilities and validation, but the auto-executed code implements no such functionality — only the beacon. The `author` email `[email protected]` shares the domain of the exfil host, and `homepage` points at an unrelated project (`github.com/slaxorg/nms-dashboard-js`), indicating publisher-controlled attacker infrastructure.
Malicious code in uploader-frontend (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (434cb8e84402c02f52788e51215db45b8c7f2f229d56c51d8302993b782cf911) The package's `scripts.install` runs `node index.js`, which loads `./lib/core` and, on `npm install`, collects the installer's OS username (via `os.userInfo().username`), hostname (`os.hostname()`), and current working directory basename, encodes them as a subdomain, and issues a `dns.resolve4` lookup against the hardcoded attacker domain `oob.sl4x0.xyz` — a DNS out-of-band beacon that exfiltrates installer identity. The `require` targets (`dns`, `os`, `process`), the API names (`userInfo`, `username`, `hostname`, `cwd`, `resolve4`), and the destination domain are reconstructed at runtime from `String.fromCharCode` numeric arrays to hide the destination and the APIs used. Package name and README advertise `uploader-frontend` / enterprise utilities and validation, but the auto-executed code implements no such functionality — only the beacon. The `author` email `[email protected]` shares the domain of the exfil host, and `homepage` points at an unrelated project (`github.com/slaxorg/nms-dashboard-js`), indicating publisher-controlled attacker infrastructure.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-12491
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a735742bf8831d539159bb9
Added to database: 08/05/2026, 15:31:14 UTC
Last updated: 08/05/2026, 15:31:14 UTC
Views: 1
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